<template>
  <div>

    <el-form ref="searchForm" :inline="true" :model="search.form" label-width="40px">
      <el-form-item label="名称" prop="name">
        <el-input v-model="search.form.name"/>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" @click="list()" icon="el-icon-search">搜索</el-button>
        <el-button type="reset" @click="reset('searchForm')">重置</el-button>
      </el-form-item>
    </el-form>

    <el-button type="primary" @click="addConditionForm">新建条件</el-button>

    <el-dialog :title="form.id===null?'新建条件':'更新条件'" :visible.sync="dialogFormVisible" width="700px">
      <el-form ref="addForm" :rules="rules" :model="form" label-width="70px">
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name"/>
        </el-form-item>


        <el-form-item label="条件配置">
          <el-form-item label="左值" style="margin-top: 18px">
            <el-col :span="9">
              <el-form-item prop="config.leftValue.type">
                <el-select v-model="form.config.leftValue.type" placeholder="请选择数据类型"
                           @change="leftValueTypeChange()">
                  <el-option label="元素" :value="0"/>
                  <el-option label="变量" :value="1"/>
                  <el-option label="字符串" :value="5" @click.native="form.config.leftValue.valueType='STRING'"/>
                  <el-option label="布尔" :value="6" @click.native="form.config.leftValue.valueType='BOOLEAN'"/>
                  <el-option label="数值" :value="7" @click.native="form.config.leftValue.valueType='NUMBER'"/>
                  <el-option label="集合" :value="8" @click.native="form.config.leftValue.valueType='COLLECTION'"/>
                  <el-option label="日期" :value="9" @click.native="form.config.leftValue.valueType='DATE'"/>
                </el-select>
              </el-form-item>
            </el-col>
            <el-col :span="1">
              &nbsp;
            </el-col>
            <el-col :span="9">
              <el-form-item prop="config.leftValue.value">
                <el-input-number v-if="form.config.leftValue.type===7" v-model="form.config.leftValue.value"
                                 :disabled="form.config.leftValue.type==null"
                                 :controls="false"
                                 style="width: 193px"/>

                <el-select v-else-if="form.config.leftValue.type===6" v-model="form.config.leftValue.value"
                           :disabled="form.config.leftValue.type==null">
                  <el-option label="true" value="true"/>
                  <el-option label="false" value="false"/>
                </el-select>

                <el-date-picker
                  v-else-if="form.config.leftValue.type===9" v-model="form.config.leftValue.value"
                  :disabled="form.config.leftValue.type==null"
                  type="datetime"
                  value-format="yyyy-MM-dd HH:mm:ss"
                  placeholder="选择日期时间"
                  align="right"
                  :picker-options="$common.datePickerOptions()">
                </el-date-picker>

                <el-select
                  v-else-if="form.config.leftValue.type===0||form.config.leftValue.type===1"
                  v-model="form.config.leftValue.valueName"
                  filterable
                  :disabled="form.config.leftValue.type==null"
                  remote
                  reserve-keyword
                  placeholder="请输入关键词"
                  :remote-method="leftRemoteMethod"
                  :loading="leftSelect.loading"
                  @change="leftValueChange()">
                  <el-option
                    v-for="item in leftSelect.options"
                    :key="item.id"
                    :label="item.name"
                    :value="item.id"
                    @click.native="leftSelectClick(item)">
                  </el-option>
                </el-select>

                <el-input v-else v-model="form.config.leftValue.value" :disabled="form.config.leftValue.type==null"/>

              </el-form-item>
            </el-col>
            <el-col :span="5">
              &nbsp;
            </el-col>
          </el-form-item>

          <el-form-item label="运算符" prop="config.symbol" style="margin-top: 18px">
            <el-col :span="9">
              <el-select v-model="form.config.symbol" placeholder="请选择运算符"
                         :disabled="form.config.leftValue.valueType==null">
                <el-option
                  v-for="item in symbolSelect.options"
                  :key="item.name"
                  :label="item.explanation"
                  :value="item.name">
                </el-option>
              </el-select>
            </el-col>
            <el-col :span="15">
              &nbsp;
            </el-col>
          </el-form-item>

          <el-form-item label="右值" style="margin-top: 18px">
            <el-col :span="9">
              <el-form-item prop="config.rightValue.type">
                <el-select v-model="form.config.rightValue.type" placeholder="请选择数据类型"
                           :disabled="form.config.symbol==null"
                           @change="rightValueTypeChange()">
                  <el-option v-if="form.config.leftValue.type!=null" label="元素" :value="0"/>
                  <el-option v-if="form.config.leftValue.type!=null" label="变量" :value="1"/>
                  <el-option v-if="isRightTypeSelectView('STRING')" label="字符串" :value="5"/>
                  <el-option v-if="isRightTypeSelectView('BOOLEAN')" label="布尔" :value="6"/>
                  <el-option v-if="isRightTypeSelectView('NUMBER')" label="数值" :value="7"/>
                  <el-option v-if="isRightTypeSelectView('COLLECTION')" label="集合" :value="8"/>
                  <el-option v-if="isRightTypeSelectView('DATE')" label="日期" :value="9"/>
                </el-select>
              </el-form-item>
            </el-col>
            <el-col :span="1">
              &nbsp;
            </el-col>
            <el-col :span="9">
              <el-form-item prop="config.rightValue.value">

                <el-input-number v-if="form.config.rightValue.type===7" v-model="form.config.rightValue.value"
                                 :controls="false"
                                 :disabled="form.config.symbol==null"
                                 style="width: 193px"/>

                <el-select v-else-if="form.config.rightValue.type===6" v-model="form.config.rightValue.value"
                           :disabled="form.config.symbol==null"
                           placeholder="请选择数据 ">
                  <el-option label="true" value="true"/>
                  <el-option label="false" value="false"/>
                </el-select>

                <el-date-picker
                  v-else-if="form.config.rightValue.type===9" v-model="form.config.rightValue.value"
                  :disabled="form.config.symbol==null"
                  type="datetime"
                  value-format="yyyy-MM-dd HH:mm:ss"
                  placeholder="选择日期时间"
                  align="right"
                  :picker-options="$common.datePickerOptions()">
                </el-date-picker>

                <el-select
                  v-else-if="form.config.rightValue.type===0||form.config.rightValue.type===1"
                  v-model="form.config.rightValue.valueName"
                  :disabled="form.config.symbol==null"
                  filterable
                  remote
                  reserve-keyword
                  placeholder="请输入关键词"
                  :remote-method="rightRemoteMethod"
                  :loading="rightSelect.loading">
                  <el-option
                    v-for="item in rightSelect.options"
                    :key="item.id"
                    :label="item.name"
                    :value="item.id"
                    @click.native="rightSelectClick(item)">
                  </el-option>
                </el-select>

                <el-input v-else v-model="form.config.rightValue.value" :disabled="form.config.symbol==null"/>

              </el-form-item>
            </el-col>
            <el-col :span="5">
              &nbsp;
            </el-col>
          </el-form-item>
        </el-form-item>

        <el-form-item label="说明" prop="description">
          <el-input type="textarea" v-model="form.description"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveOrUpdate('addForm')">保 存</el-button>
      </div>
    </el-dialog>


    <el-dialog title="条件测试" :visible.sync="run.dialogFormVisible" width="700px">
      <el-form ref="runConditionForm" :rules="run.rules" :model="run.condition" label-width="80px">

        <el-form-item label="名称">
          <el-input v-model="run.condition.name" :readonly="true"/>
        </el-form-item>

        <el-form-item label="配置信息">
          <el-tag class="item" type="info" effect="plain" style="margin-top: 2px;">
            <el-tag type="success" style="height: 22px;line-height: 22px;padding: 0 2px 0 2px;">
              {{ getConditionNamePrefix(run.condition.config.leftValue.type) }}
            </el-tag>
            <span
              style="color: #606266">{{
                run.condition.config.leftValue.variableValue != null ? run.condition.config.leftValue.variableValue : run.condition.config.leftValue.valueName
              }}</span>

            &nbsp;
            <el-tag type="warning" style="height: 22px;line-height: 22px;padding: 0 2px 0 2px;">
              {{ $common.getSymbolExplanation(run.condition.config.symbol) }}
            </el-tag>

            &nbsp;
            <el-tag type="success" style="height: 22px;line-height: 22px;padding: 0 2px 0 2px;">
              {{ getConditionNamePrefix(run.condition.config.rightValue.type) }}
            </el-tag>
            <span
              style="color: #606266"> {{
                run.condition.config.rightValue.variableValue != null ? run.condition.config.rightValue.variableValue : run.condition.config.rightValue.valueName
              }}</span>
          </el-tag>
        </el-form-item>

        <el-form-item label="条件参数" v-if="run.condition.paramValues.length!==0">

          <el-col :span="3" style="margin-top: 26px;">
            <el-form-item v-for="pv in run.condition.paramValues" :key="pv.code"
                          style="text-align: right;margin-right:10px;margin-top: 19px;overflow: hidden;white-space: nowrap;">
              {{ pv.name !== null ? pv.name : pv.code }}
            </el-form-item>
          </el-col>

          <el-col :span="4" style="margin-top: 26px">
            <el-form-item v-for="(pv,index) in run.condition.paramValues" style="margin-top: 18px;" :key="pv.code">
              <el-select :value="pv.valueType" :disabled="true">
                <el-option label="字符串" value="STRING"/>
                <el-option label="布尔" value="BOOLEAN"/>
                <el-option label="数值" value="NUMBER"/>
                <el-option label="集合" value="COLLECTION"/>
                <el-option label="日期" value="DATE"/>
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="1"> &nbsp;</el-col>

          <el-col :span="13" style="margin-top: 26px">
            <el-form-item v-for="(pv,index) in run.condition.paramValues" style="margin-top: 18px;" :key="pv.code">
              <el-select v-if="pv.valueType==='BOOLEAN'" v-model="pv.value" placeholder="请选择数据 ">
                <el-option label="true" value="true"/>
                <el-option label="false" value="false"/>
              </el-select>
              <el-input-number v-else-if="pv.valueType==='NUMBER'" v-model="pv.value" :controls="false"
                               style="width: 100%"/>
              <el-date-picker
                v-else-if="pv.valueType==='DATE'" v-model="pv.value"
                type="datetime"
                value-format="yyyy-MM-dd HH:mm:ss"
                placeholder="选择日期时间"
                align="right"
                :picker-options="$common.datePickerOptions()">
              </el-date-picker>
              <el-input v-else v-model="pv.value"/>
            </el-form-item>
          </el-col>
          <el-col :span="3">
            &nbsp;
          </el-col>
        </el-form-item>
        <br>
        <el-form-item label="输出">
          <el-input type="textarea" v-model="run.condition.output"/>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click="run.dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="exe('runForm')">运行</el-button>
      </div>

    </el-dialog>


    <el-table
      v-loading="loading"
      :data="tableData"
      style="width: 100%"
      :default-sort="{prop: 'id', order: 'descending'}">
      <el-table-column
        prop="id"
        label="编号"
        sortable
        width="120">
      </el-table-column>
      <el-table-column
        prop="name"
        label="名称"
        width="200">
      </el-table-column>
      <el-table-column
        prop="configInfo"
        min-width="200"
        label="配置信息">
      </el-table-column>

      <el-table-column
        prop="createTime"
        sortable
        width="180"
        label="创建日期">
      </el-table-column>

      <el-table-column
        fixed="right"
        label="操作"
        width="140">
        <template slot-scope="scope">
          <el-button @click="test(scope.row)" type="text" size="small">测试</el-button>
          <el-button @click="edit(scope.row)" type="text" size="small">编辑</el-button>
          <el-button @click="deleteRow(scope.row)" type="text" size="small">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <br>
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="page.pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="page.pageSize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="page.total">
    </el-pagination>
  </div>
</template>

<script>
export default {
  name: "Condition",
  data() {
    const validateIsExists = (rule, value, callback) => {
      // 更新操作跳过此校验
      if (this.form.id !== undefined && this.form.id !== null) {
        return callback();
      }
      this.$axios.post("/ruleEngine/condition/nameIsExists",
        {
          "param": value
        }).then(res => {
        if (res.data) {
          callback(new Error('条件名称已经存在'));
        } else {
          callback();
        }
      });
    };
    return {
      tableData: [],
      loading: true,
      page: {
        pageIndex: 1,
        pageSize: 10,
        total: 0
      },
      run: {
        dialogFormVisible: false,
        condition: {
          id: null,
          name: null,
          config: {
            leftValue: {},
            rightValue: {},
            symbol: null
          },
          paramValues: [],
          output: null
        }
      },
      search: {
        form: {
          name: null,
        }
      },
      dialogFormVisible: false,
      form: {
        id: null,
        name: null,
        config: {
          leftValue: {
            value: undefined,
            valueName: null,
            valueType: null,
            type: null,
          },
          symbol: null,
          rightValue: {
            value: undefined,
            valueName: null,
            valueType: null,
            type: null,
          }
        },
        description: null,
      },
      rules: {
        name: [
          {required: true, message: '请输入条件名称', trigger: ['blur']},
          {min: 1, max: 25, message: '长度在 1 到 25 个字符', trigger: ['blur']},
          {validator: validateIsExists, trigger: 'blur'}
        ],
        config: {
          leftValue: {
            type: [
              {required: true, message: '请选择类型', trigger: ['blur']},
            ],
            value: [
              {required: true, message: '值不能为空', trigger: ['blur']},
            ],
          },
          symbol: [
            {required: true, message: '请选择运算符', trigger: ['blur']}
          ],
          rightValue: {
            type: [
              {required: true, message: '请选择类型', trigger: ['blur']},
            ],
            value: [
              {required: true, message: '值不能为空', trigger: ['blur']},
            ],
          }
        }
      },
      leftSelect: {
        loading: false,
        options: [],
        query: {
          name: null,
        }
      },
      rightSelect: {
        loading: false,
        options: [],
        query: {
          name: null,
        }
      },
      symbolSelect: {
        options: [],
      }
    }
  },
  methods: {
    getConditionNamePrefix(type) {
      if (type === 0) {
        return "元素";
      }
      if (type === 1) {
        return "变量";
      }
      if (type === 2) {
        return "固定值";
      }
    },
    exe() {
      this.$axios.post("/ruleEngine/condition/run", {
        "id": this.run.condition.id,
        "paramValues": this.run.condition.paramValues
      }).then(res => {
        let da = res.data;
        if (da != null) {
          this.run.condition.output = da.toString();
        } else {
          this.run.condition.output = null;
        }
      }).catch(function (error) {
        console.log(error);
      });
    },
    test(row) {
      this.run.condition.id = row.id;
      this.run.condition.name = row.name;
      this.run.condition.config = row.config;
      this.run.condition.output = null;
      this.$axios.post("/ruleEngine/condition/getParameter", {
        "id": row.id
      }).then(res => {
        if (res.data != null && res.data.length !== 0) {
          this.run.condition.paramValues = res.data;
        } else {
          this.run.condition.paramValues = [];
        }
        this.run.dialogFormVisible = true;
      }).catch(function (error) {
        console.log(error);
      });
    },
    clearValidate() {
      let ref = this.$refs['addForm'];
      if (ref != null) {
        ref.clearValidate()
      }
    },
    addConditionForm() {
      this.clearValidate();
      this.form = {
        id: null,
        name: null,
        config: {
          leftValue: {
            value: undefined,
            valueName: null,
            valueType: null,
            type: null,
          },
          symbol: null,
          rightValue: {
            value: undefined,
            valueName: null,
            valueType: null,
            type: null,
          }
        },
        description: null,
      };
      this.dialogFormVisible = true;
    },
    isRightTypeSelectView(valueType) {
      if (this.form.config.leftValue.valueType === null) {
        return false;
      }
      if (this.form.config.leftValue.valueType === valueType) {
        return true;
      }
      // 如果左值为集合时
      if (this.form.config.leftValue.valueType === 'COLLECTION') {
        if (this.form.config.symbol === null) {
          return true;
        }
        // 并且 只有左值为CONTAIN/NOT_CONTAIN 返回所有的类型
        return this.form.config.symbol === 'CONTAIN' || this.form.config.symbol === 'NOT_CONTAIN';
      }
    },
    leftValueChange() {
      //左面发生改变，右边也改变
      this.form.config.symbol = null;
      this.form.config.rightValue.value = undefined;
      this.form.config.rightValue.valueName = null;
      this.form.config.rightValue.type = null;
      this.rightSelect.options = [];
    },
    leftValueTypeChange() {
      this.form.config.leftValue.value = undefined;
      this.form.config.leftValue.valueName = null;
      // 如果是变量或者元素
      if (this.form.config.leftValue.type === 1 || this.form.config.leftValue.type === 0) {
        this.form.config.leftValue.valueType = null;
      }
      this.leftSelect.options = [];
      this.form.config.symbol = null;
      //左面发生改变，右边也改变
      this.form.config.rightValue.value = undefined;
      this.form.config.rightValue.valueName = null;
      this.form.config.rightValue.type = null;
      this.rightSelect.options = [];
    },
    rightValueTypeChange() {
      this.form.config.rightValue.value = undefined;
      this.form.config.rightValue.valueName = null;
      this.rightSelect.options = [];
    },
    saveOrUpdate(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.$axios.post(this.form.id === null ? "/ruleEngine/condition/add" : "/ruleEngine/condition/update", {
            "id": this.form.id,
            "name": this.form.name,
            "description": this.form.description,
            "config": {
              "leftValue": {
                "value": this.form.config.leftValue.value,
                "valueType": this.getValueType(this.form.config.leftValue.type, this.form.config.leftValue.valueType),
                "type": this.form.config.leftValue.type >= 5 ? 2 : this.form.config.leftValue.type,
              },
              "symbol": this.form.config.symbol,
              "rightValue": {
                "value": this.form.config.rightValue.value,
                "valueType": this.getValueType(this.form.config.rightValue.type, this.form.config.rightValue.valueType),
                "type": this.form.config.rightValue.type >= 5 ? 2 : this.form.config.rightValue.type,
              }
            }
          }).then(res => {
            if (res) {
              this.list();
            }
            this.$refs[formName].resetFields();
            this.dialogFormVisible = false;
          }).catch(function (error) {
            console.log(error);
          });
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    rightSelectClick(item) {
      this.form.config.rightValue.valueType = item.valueType;
      this.form.config.rightValue.value = item.id;
    },
    leftSelectClick(item) {
      this.form.config.leftValue.valueType = item.valueType;
      this.form.config.leftValue.value = item.id;
    },
    reset(formName) {
      this.$refs[formName].resetFields();
      this.list();
    }, handleSizeChange(val) {
      this.page.pageSize = val;
      this.list();
    },
    handleCurrentChange(val) {
      this.page.pageIndex = val;
      this.list();
    },
    list() {
      this.$axios.post("/ruleEngine/condition/list", {
        "page": {
          "pageSize": this.page.pageSize,
          "pageIndex": this.page.pageIndex
        },
        "query": this.search.form,
        "orders": [
          {
            "columnName": "id",
            "desc": true
          }
        ]
      }).then(res => {
        if (res.data != null) {
          this.tableData = res.data.rows;

          this.page.total = res.data.page.total;
        } else {
          this.tableData = [];
        }
        this.loading = false;
      }).catch(function (error) {
        console.log(error);
      });
    },
    leftRemoteMethod(query) {
      if (query !== '') {
        this.leftSelect.loading = true;
        this.leftSelect.options = [];
        let type = this.form.config.leftValue.type;
        this.$axios.post(type === 1 ? "/ruleEngine/variable/list" : "/ruleEngine/element/list", {
          "page": {
            "pageSize": 10,
            "pageIndex": 1
          },
          "query": {
            "name": query,
          },
          "orders": []
        }).then(res => {
          if (res.data != null) {
            this.leftSelect.options = res.data.rows;
          }
          this.leftSelect.loading = false;
        }).catch(function (error) {
          console.log(error);
        });
      } else {
        this.leftSelect.options = [];
      }
    },
    rightRemoteMethod(query) {
      if (query !== '') {
        this.rightSelect.loading = true;
        this.rightSelect.options = [];
        let type = this.form.config.rightValue.type;
        this.$axios.post(type === 1 ? "/ruleEngine/variable/list" : "/ruleEngine/element/list", {
          "page": {
            "pageSize": 10,
            "pageIndex": 1
          },
          "query": {
            "name": query,
            "valueType": (this.form.config.leftValue.valueType === 'COLLECTION') ? null : new Array(this.form.config.leftValue.valueType)
          },
          "orders": []
        }).then(res => {
          if (res.data != null) {
            this.rightSelect.options = res.data.rows;
          }
          this.rightSelect.loading = false;
        }).catch(function (error) {
          console.log(error);
        });
      } else {
        this.rightSelect.options = [];
      }
    },
    edit(row) {
      this.clearValidate();
      this.$axios.post("/ruleEngine/condition/get", {
        "id": row.id
      }).then(res => {
        let da = res.data;
        if (da != null) {
          this.form = da;
          this.form.config.leftValue.type = this.getType(da.config.leftValue.type, da.config.leftValue.valueType);
          this.form.config.rightValue.type = this.getType(da.config.rightValue.type, da.config.rightValue.valueType);

          this.dialogFormVisible = true;
        }
      }).catch(function (error) {
        console.log(error);
      });
    },
    deleteRow(row) {
      this.$confirm('此操作将永久删除该数据, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$axios.post("/ruleEngine/condition/delete", {
          "id": row.id
        }).then(res => {
          let da = res.data;
          if (da) {
            this.list();
          }
        }).catch(function (error) {
          console.log(error);
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    getValueType(type, valueType) {
      if (type === 5) {
        return "STRING";
      } else if (type === 6) {
        return "BOOLEAN";
      } else if (type === 7) {
        return "NUMBER";
      } else if (type === 8) {
        return "COLLECTION";
      } else if (type === 9) {
        return "DATE";
      }
      return valueType;
    },
    getType(type, valueType) {
      if (type === 2) {
        if (valueType === "COLLECTION") {
          return 8;
        } else if (valueType === "STRING") {
          return 5;
        } else if (valueType === "BOOLEAN") {
          return 6;
        } else if (valueType === "NUMBER") {
          return 7;
        } else if (valueType === "DATE") {
          return 9;
        }
      }
      return type;
    },
  },
  created() {
    this.list();
    //增加对名称的监听事件
    this.$watch('form.config.leftValue.valueType', (newVal, oldVal) => {
      if (newVal == null) {
        return;
      }
      this.symbolSelect.options = this.$common.getSymbolByValueType(newVal);
    });
  }
}
</script>
<style>
.el-input-number .el-input__inner {
  text-align: left;
}
</style>
<style scoped>
.item {
  line-height: 36px;
  height: 36px;
  padding-left: 6px;
  margin-bottom: 6px;
}
</style>
